Type
FEATURES
OPTICAL SYSTEM
• Reflector – Self-flanged, semi-specular, mattediffuse or specular reflector. Patented
Bounding Ray™ Optical Principle design (U.S.
Patent No. 5,800,050) provides lamp before lamp
image and smooth transition from top of reflector to bottom.
MECHANICAL SYSTEM
• 16-gauge galvanized steel mounting/plaster
frame. Adjustable yoke and tempered steel flat
spring utilized to retain optical system. Accommodates up to 1-5/8" thick ceiling with no modifications.
• 16-gauge galvanized steel mounting bars with
continuous 4” vertical adjustment are shipped
pre-installed. Post installation adjustment
possible without the use of tools from above or
below ceiling.
• Galvanized steel J-box with hinged access
covers and spring latch. Two combination 1/2"3/4" and two 1/2" knockouts for straight-through
conduit runs. Capacity: 8 (4 in, 4 out) No. 12
AWG conductors rated for 90°C.
ELECTRICAL SYSTEM
• Die-cast aluminum lampholder housing.
• Medium-base porcelain socket with nickelplated screw shell.
• Thermally-activated insulation detector.
LISTING
• Fixtures are UL listed for thru-branch wiring,
recessed mounting and damp locations and are
Non-IC rated. Listed and labeled to comply with
Canadian Standards.
Catalog number
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Incandescent Downlights
4" A
Open Reflector
A19 or BT15 Lamp
8-7/16
(21.4)
Aperture:
4-5/16 (11.0)
Ceiling opening: 5-1/8 (13.0)
Overlap trim:
5-7/16 (13.8)
15-7/8
(40.3)
All dimensions
are inches
(centimeters).
13-5/8
(34.6)
Example: A 4AR
ORDERING INFORMATION
Choose the boldface catalog nomenclature that best suits your needs and write it on the
appropriate line. Order accessories as separate catalog numbers (shipped separately).
A
Series1
A
Aperture/Trim color
4AR
4PR
4UBR
4WTR
4GR
4CR
4WR 2
4MB2,3
4WB2,3
4BC2,3
Clear
Pewter
Umber
Wheat
Gold
Champagne gold
White painted
Black baffle
White baffle
Black cone
Finish
(blank) Semi-specular
LD Matte diffuse
LS Specular
NOTES:
1
2
3
4
5
Maximum wattage: 100W
Not available with LD or LS finish.
Not available with CGL or T75.
Standard on 4MB and 4WB.
For compatible Reloc systems, refer to Technical Bulletins tab.
Lens type
Options
(blank) No lens
CGL Clear glass lens
T73 Tempered
prismatic lens
TRW 4 White painted flange.
TRBL Black painted flange.
LRC5 Provides compatibility with
Lithonia
Reloc® System.
Lithonia Reloc System can be
installed less this option with
connectors provided by others. Access above ceiling required.
SDT Stepdown transformer (277V
to 120V).
SDT347 Stepdown transformer (347V
to 120V; 75W max.).
SF Single fuse.
GSKT Foam gasketing.
Accessories
Order as separate catalog number.
SCA4
Sloped ceiling adapter.
Degree of slope must be
specified (10D, 15D, 20D,
25D, 30D). Ex: SCA4 10D.
A4
DINC-100
4" A Open Reflector
Distribution curve
Distribution data
Output data
Coefficient of utilization
Single luminaire data 30" above floor
A 4AR, 100W A19-IF lamp, 1.3 SC, 1680 rated lumens, test no. LTL12647
cp
90˚
70˚
100
50˚
200
300
400
10˚
30˚
0
5
15
25
35
45
55
65
75
85
90
Lumens
411
416
426
430
358
229
55
3
1
0
0
40
121
197
222
172
54
3
1
0
Zone
Lumens % Lamp
21.3
0˚ - 30˚ 357.5
34.5
0˚ - 40˚ 579.3
47.9
0˚ - 60˚ 805.3
48.2
0˚ - 90˚ 810.1
0.0
90˚ - 180˚ 0.0
*48.2
0˚ - 180˚ 810.1
*Total Eff iciency
pf
20%
pc
80%
70%
50%
pw 50% 30% 50% 30% 50% 30%
57 57 56 56 54 54
0
53 51 52 50 50 49
1
48 46 47 45 45 44
2
44 41 43 40 42 39
3
40 37 39 36 38 35
4
36 33 36 33 35 32
5
33 30 33 30 32 29
6
31 27 30 27 30 27
7
28 25 28 25 27 24
8
26 23 26 23 25 22
9
10 24 21 24 21 24 21
Task Height: 2.5ft.
50% beam - 68.7˚ 10% beam - 98.9˚
Inital FC
Mounting Center
Beam Diameter
FC
Diameter
FC
Height
1.4
12.9
6.8
7.5
13.6
8.0
0.7
17.5
3.6
10.3
7.3
10.0
0.5
22.2
2.3
13.0
4.6
12.0
0.3
26.9
1.6
15.7
3.1
14.0
0.2
31.5
1.1
18.5
2.3
16.0
A 4AR, 100W BT15-IF lamp, 1.1 SC, 1670 rated lumens, test no. LTL12649
cp
90˚
70˚
100
200
50˚
300
400
500
10˚
30˚
0
5
15
25
35
45
55
65
75
85
90
Lumens
562
562
532
504
362
196
34
3
1
0
0
53
151
228
225
152
40
3
1
0
Zone
Lumens % Lamp
25.9
0˚ - 30˚ 432.8
39.4
0˚ - 40˚ 658.0
50.9
0˚ - 60˚ 849.5
51.1
0˚ - 90˚ 853.6
0.0
90˚ - 180˚ 0.0
*51.1
0˚ - 180˚ 853.6
*Total Eff iciency
pf
20%
pc
80%
70%
50%
pw 50% 30% 50% 30% 50% 30%
61 61 59 59 57 57
0
56 55 55 54 53 52
1
51 49 50 48 49 47
2
47 44 46 44 45 43
3
43 40 43 39 41 39
4
40 36 39 36 38 35
5
37 33 36 33 35 32
6
34 30 33 30 33 30
7
31 28 31 28 30 27
8
29 26 29 26 28 25
9
10 27 24 27 24 26 23
Task Height: 2.5ft.
50% beam - 60.6˚ 10% beam - 93.3˚
Inital FC
Mounting Center
Beam Diameter
FC
Diameter
FC
Height
1.9
11.7
9.3
6.4
18.6
8.0
1.0
15.9
5.0
8.8
10.0
10.0
0.6
20.1
3.1
11.1
6.2
12.0
0.4
24.4
2.1
13.4
4.2
14.0
0.3
28.6
1.5
15.8
3.1
16.0
A 4MB, 100W A19-IF lamp, 0.9 SC, 1550 rated lumens, test no. LTL12788
90°
80°
70°
100
60°
200
50°
300
40°
400
0°
10°
20°
30°
F rom 0°
0
5
15
25
35
45
55
65
75
85
90
Ave
468
457
394
315
213
109
4
1
0
0
0
Lumens
43
111
144
133
81
9
1
0
0
Zone Lumens % Lamp
19.2
0° - 30° 297.0
27.7
0° - 40° 430.1
33.5
0° - 60° 519.6
33.6
0° - 90° 520.9
0.0
90° - 180° 0.0
*33.6
0° - 180° 520.9
*E fficiency
pf
pc
pw
1
2
3
4
5
6
7
8
9
10
20%
80%
70%
50%
50% 30% 50% 30% 50% 30%
.37 .36 .36 .35 .35 .34
.34 .33 .34 .32 .32 .31
.31 .30 .31 .29 .30 .29
.29 .27 .29 .27 .28 .26
.27 .25 .27 .25 .26 .24
.25 .23 .25 .23 .24 .22
.23 .21 .23 .21 .23 .21
.22 .20 .22 .19 .21 .19
.20 .18 .20 .18 .20 .18
.19 .17 .19 .17 .19 .17
50% beam angle 10% beam angle
50.1°
87.6°
fc at
fc at
Inital fc
beam
beam
B eam
Mount at beam B eam
height center diameter edge diameter edge
1.6
10.5
7.7
5.1
15.5
8
0.8
14.4
4.2
7.0
8.3
10
0.5
18.2
2.6
8.9
5.2
12
0.4
22.0
1.8
10.7
3.5
14
0.3
25.9
1.3
12.6
2.6
16
A 4MB, 100W BT15-IF lamp, 1.0 SC, 1650 rated lumens, test no. LTL12789
90°
80°
100
70°
200
60°
300
50°
400
40°
500
0°
10°
20°
30°
F rom 0°
0
5
15
25
35
45
55
65
75
85
90
Ave
562
550
477
392
244
73
2
1
0
0
0
Lumens
51
135
178
150
61
6
1
0
0
Zone Lumens % Lamp
21.8
0° - 30° 363.6
30.7
0° - 40° 513.3
34.7
0° - 60° 580.0
34.8
0° - 90° 581.2
0.0
90° - 180° 0.0
0° - 180° 581.2 *34.8
*E fficiency
pf
pc
pw
1
2
3
4
5
6
7
8
9
10
20%
80%
70%
50%
50% 30% 50% 30% 50% 30%
.38 .38 .38 .37 .36 .36
.36 .34 .35 .34 .34 .33
.33 .31 .32 .31 .32 .30
.31 .29 .30 .28 .29 .28
.28 .26 .28 .26 .28 .26
.27 .24 .26 .24 .26 .24
.25 .23 .25 .22 .24 .22
.23 .21 .23 .21 .23 .21
.22 .20 .22 .20 .21 .19
.20 .18 .20 .18 .20 .18
50% beam angle 10% beam angle
51.3°
82.8°
fc at
fc at
Inital fc
beam
beam
B eam
Mount at beam B eam
height center diameter edge diameter edge
1.9
9.7
9.3
5.3
18.6
8
1.0
13.2
5.0
7.2
10.0
10
0.6
16.8
3.1
9.1
6.2
12
0.4
20.3
2.1
11.0
4.2
14
0.3
23.8
1.5
13.0
3.1
16
Tested to current IES and NEMA standards under stabilized laboratory conditions. Various operating factors can cause differences between laboratory data and
actual field measurements. Dimensions and specifications are based on the most current available data and are subject to change without notice.
DINC-100
©2005 Gotham, 012/05
DINC-100.P65